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Antimony is a silver white metal, very hard and brittle. It has no characteristic crystallographic surfaces when sheared. Melting temperature in 1167°F and even when melted at or above that temperature it is not easy to get a homogeneous alloy with lead. As soon as the pour is started the rapid cooling causes an increasing amount of antimony to solidify while pouring. SPLASH!
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CHUNK ANTIMONY
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Antimony and tin will alloy and is used as pewter and as lead free solders. I have the capability to make 50/50 tin/antimony however this is an expensive alloy. An antimony rich alloy, 60% antimony, 20% tin and 20% lead is being produced in 'pilot plant' scale and should be to market soon. This permits an almost infinite range of alloys to be made with additional lead or WW.
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TIN
Supplied in approximate 1 pound bars |
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Lyman #2 alloy of 5% tin , 5% antimony and 90% lead is hard due to a reaction between antimony and tin, totally independent of the lead in the melt. Again, the alloying metals are expensive. If an interest in the metallurgy of this reaction I am able to refer to publications or am able to explain it in detail.
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CASTING FLUX
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Copyright 2002-2008 Bullet Metals - ALL RIGHTS RESERVED
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